粮油质量检验员初级试题一

粮油质量检验员初级试题一第二部分初级粮油质量检验员一、选择题1、按照用途分类，粮油样品可分为供检样品、( B )、标准样品和标本样品四类。

A、原始样品 B、保留样品 C、平均样品 D、试验样品2、扦样时以同种类、同批次、同等级、同货位、同车船(舱)为一个检验批。

一个检验批的代表数量，普通仓房扦样中、小粒粮食和油料一般不超过( C )吨。

A、50 B、100 C、200 D、2503、扦样检验是通过对( A )样品的检验来达到检验整批产品(总体)的目的。

A、代表性B、平均C、实验D、分析 4、下列粮食样品可以采用四分法分样的是( C )。

A、大豆B、油菜籽C、小麦D、豌豆 5、下列粮食样品不适合用分样器分样的是( A )。

A、玉米B、油菜籽C、小麦D、无芒稻谷、分样器的使用不正确的是( D )。

6,、应用与分样器进料口宽度相等的铁铲进料B、缩分后的物料可进一步破碎缩分C、利用分样器缩分物料比四分法速度快D、物料经分样器分样后，质量和组分含量都会减小7、下列玻璃器具中可在烘箱内烘烤的是( D )。

,、比色管 B、容量瓶 C、移液管 D、碘量瓶 8、下列玻璃仪器中不属于量器类的为( B )A、容量瓶B、称量瓶C、吸量管D、移液管 9、十分之一天平的分度值为( A )。

A、 0.1 gB、 0.01 gC、0.001 gD、 1.0 g 10、定量分析天平称取试样常用的方法有直接称量法、( A )、指定质量称样法。

A、减量称量法 B、间接称量法 C、三次称量法 D、多次称量法 11、使用分析天平时，加减砝码和取放物体必须休止天平，这是为了( B )。

A、防止天平盘的摆动 B、减少玛瑙刀口的磨损C、增加天平的稳定性D、加快称量速度intensive development. (5) have different emphasis: for development, "with development, the emphasis on" way, from space, multiple groupsfrom a single radiation-belt open development. Spatial structure of 2, the prominent cultural city protection elements on the development ofthe whole city and culture series supporting role, with natural landscapes and green for the background, according to the combined city, urban Group organization structure, set up a decentralized development patterns, building ... Three rivers: the Yangtze, jinsha River and minjiang rivers, cities in three rivers based on development along the Yangtze River, city on the River, River in the city. Multiple groups:the relatively compact area layout, each district consists of multiple groups, and the area has both integrated urban functions, and have their own characteristics and perimeter formation Li Zhuang, Li Zhuangdong characteristic tour area and Hong Kong in group, consists of 17 groups. Band: modern features gathering along the Yangtze River belt. Dvn group in the upper reaches of the jinsha River along the river continues tothe East to South stream groups, layout along the city's main commercial, business, administrative, cultural and creative research and development in science and education function of modern service and port equipmentmanufacturing, liquor, and other features and modern industry. 2.5-2 spatial planning figure 2.6 in Yibin city, Central City urban development vision vision12、天平的零点相差较小时，可调节( B )。

A、指针B、拨杆C、感量螺丝D、调耳 13、分析天平的停动旋纽控制的微动开关的接触点接触不良会引起等臂双盘电光天平( C )。

A、指数盘失盘 B、指针跳动 C、灯泡不亮 D、读数不准 14、使用电烘箱和高温炉时，不得把( D )送入烘箱和高温炉加热。

A、含水量高的粮食 B、腐败变质的食品; C、其他检验项目不合格的样品 D、含有大量易燃、易爆溶剂的物品 15、我国小麦粉、玉米粉国家标准中规定磁性金属物含量不得超过( B )。

A、0.03g/kg B、0.003g/kg C、0.002g/kg D、0.02g/kg 16、砻谷机接通电源后电机不动，若是空载，电机嗡嗡作响，则说明砻谷机中( C )。

A、辊子调的过松 B、稻谷将胶辊卡住 C、机件有松动 D、电源至电机接线有问题 17、常规试剂配制用水为( D )水。

A、自来水B、一级水C、二级水D、三级水 18、一级化学试剂标签颜色为绿色,用符号( B )表示。

A、 ARB、 GRC、 CPD、 LR 19、稀释浓硫酸时，应在烧杯等耐热的容器中进行，在玻璃棒的不断搅拌下，缓慢地将( A )。

A、硫酸加到水中B、水加到硫酸中C、同时放到容器中D、都可以20、实验室常用的干燥剂硅胶吸收水分后，变为( A )色A、粉红B、深绿C、浅黄D、天蓝色 21、表明变色硅胶已经不在具备干燥能力的颜色是( B )。

A、无色B、红色C、蓝色D、黄色22、、测定粮食水分时，干燥器中的变色硅胶保持有效的颜色为( D )。

A、红色 B、绿色 C、黄色 D、蓝色 23、配制30%的质量体积分数溶液是指称取( B )。

A、30g该物质加入100mL溶剂中。

B、30g该物质加入溶剂中并稀释到100mL。

C、30mL该物质加入溶剂中并稀释到100g。

D、30g该物质加入溶剂中并稀释到100g。

24、将95%(体积分数)酒精稀释成70%(体积分数)酒精，应取原液体积( B )，加水使总体积own characteristics and perimeter formation Li Zhuang, Li Zhuangdong characteristic tour area and Hong Kong in group, consistact area layout, each district consists of multiple groups, and the area has both integrated urban functions, and have their comp ee rivers based on development along the Yangtze River, city on the River, River in the city. Multiple groups: the relativelya decentralized development patterns, building ... Three rivers: the Yangtze, jinsha River and minjiang rivers, cities in thr et up, with natural landscapes and green for the background, according to the combined city, urban Group organization structure, sof 2, the prominent cultural city protection elements on the development of the whole city and culture series supporting role belt open development. Spatial structure-tiple groups from a single radiationintensive development. (5) have different emphasis: for development, "with development, the emphasis on" way, from space, mulnt vision vision2 spatial planning figure 2.6 in Yibin city,Central City urban developme-ring, liquor, and other features and modern industry. 2.5ltural and creative research and development in science and education function of modern service and port equipment manufactuve, cualong the river continues to the East to South stream groups, layout along the city's main commercial, business, administrati7 groups. Band: modern features gathering along the Yangtze River belt. Dvn group in the upper reaches of the jinsha River s of 12成95份。